From 1da5dc55ee48fcd437f5b5df00a5b2f3991ec9f1 Mon Sep 17 00:00:00 2001
From: Micah <micah@leap.se>
Date: Tue, 24 May 2016 10:19:33 -0400
Subject: Squashed 'puppet/modules/stdlib/' content from commit 7112363

git-subtree-dir: puppet/modules/stdlib
git-subtree-split: 71123634744b9fe2ec7d6a3e38e9789fd84801e3
---
 lib/puppet/parser/functions/abs.rb | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 lib/puppet/parser/functions/abs.rb

(limited to 'lib/puppet/parser/functions/abs.rb')

diff --git a/lib/puppet/parser/functions/abs.rb b/lib/puppet/parser/functions/abs.rb
new file mode 100644
index 00000000..11d2d7fe
--- /dev/null
+++ b/lib/puppet/parser/functions/abs.rb
@@ -0,0 +1,36 @@
+#
+# abs.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:abs, :type => :rvalue, :doc => <<-EOS
+    Returns the absolute value of a number, for example -34.56 becomes
+    34.56. Takes a single integer and float value as an argument.
+    EOS
+  ) do |arguments|
+
+    raise(Puppet::ParseError, "abs(): Wrong number of arguments " +
+      "given (#{arguments.size} for 1)") if arguments.size < 1
+
+    value = arguments[0]
+
+    # Numbers in Puppet are often string-encoded which is troublesome ...
+    if value.is_a?(String)
+      if value.match(/^-?(?:\d+)(?:\.\d+){1}$/)
+        value = value.to_f
+      elsif value.match(/^-?\d+$/)
+        value = value.to_i
+      else
+        raise(Puppet::ParseError, 'abs(): Requires float or ' +
+          'integer to work with')
+      end
+    end
+
+    # We have numeric value to handle ...
+    result = value.abs
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :
-- 
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